Guntec USA AR-15 / M16 Nickel Boron Bolt Carrier Group

The Bolt Carrier Group (BCG) is the Critical Work Horse of your AR Platform Rifle. The BCG goes thru rigorous temperatures and blast pressure. The AR-15 , M-16 , and .308 Platform bolt carrier group consists of a number of parts such as the carrier, bolt, extractor, gas key, cam pin, retainer clip, firing pin. Our Bolt carrier groups come in a variety of finishes and manufactured by various suppliers around the country. The main types of Bolt carrier groups are AR-15, M16, and Hybrid light-weight modified bolt carriers groups which all three come with a few different coatings such as Phosphate coated, Nickel Boron Coated, Teflon Coated, Nitride Coated, and Titanium Nitride Coated.The Carrier is usually the same for a numerous amount of calibers but the bolt face cut changes depending on caliber. These bolts used in the AR-15 or M-16 Carrier can be cut for such calibers as .223/5.56, 300BLK, 7.62 x 39, 6.8 SPC, 6.5 Grendel, .224 Valkyrie, 450 Bushmaster, and others. Daytona Tactical carries a selection of BCG's from top names and manufacturers.